Average Error: 0.0 → 0.0
Time: 567.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r165969 = x;
        double r165970 = r165969 * r165969;
        double r165971 = 1.0;
        double r165972 = r165970 - r165971;
        return r165972;
}
↓
double f(double x) {
        double r165973 = x;
        double r165974 = r165973 * r165973;
        double r165975 = 1.0;
        double r165976 = r165974 - r165975;
        return r165976;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[x \cdot x - 1\]

  2. Final simplification0.0

    \[\leadsto x \cdot x - 1\]

Reproduce

herbie shell --seed 2019347 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))